Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...

The more rectangles, the better the estimate. Using the interactive, pupils explore estimating the area under a curve using left-hand sums. Learners respond to challenge questions on how to get better estimates using the same technique.

In this estimation and rounding instructional activity, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive instructional activity.

In this estimating and rounding worksheet, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.

Challenge your class to use straight lines when estimating the length of a curve. An engaging interactive allows individuals to place line segments one after another along the arc. Learners determine that the more lines used, the better...

A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...

In this simple past tense learning exercise, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.

Soccer Math: Estimating is a fun way for kids to practice estimating sums, differences, products and quotients. There are different levels of difficulty in each exercise making the game appropriate for a variety of students and grades....

Practice rounding numbers to the nearest ten to estimate the sum.

Estimate sums and differences for positive proper fractions, n/d (numerator/denominator). Use rounding to estimate answers when adding or subtracting proper fractions.

Don't get "hung up" when you play this old game with a new twist. Simply, round each numbers to the nearest thousand then, find the sum or difference. Knowledge of place value units, where to put the comma, and good computation skills...

[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...

In this online game London is your starting place! This game lets you practice addition, subtraction, multiplication, division and rounding as you "Travel," around the world. You can also choose the level of difficulty

Estimate the sum and difference by rounding whole numbers and decimals.